CA503299A - Var measuring devices - Google Patents

Var measuring devices

Info

Publication number
CA503299A
CA503299A CA503299A CA503299DA CA503299A CA 503299 A CA503299 A CA 503299A CA 503299 A CA503299 A CA 503299A CA 503299D A CA503299D A CA 503299DA CA 503299 A CA503299 A CA 503299A
Authority
CA
Canada
Prior art keywords
var
measuring devices
measuring
devices
var measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA503299A
Other languages
French (fr)
Inventor
J. Petzinger Ambrose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Application granted granted Critical
Publication of CA503299A publication Critical patent/CA503299A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/02—Arrangements for measuring electric power or power factor by thermal methods, e.g. calorimetric

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA503299A 1948-01-29 Var measuring devices Expired CA503299A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA503299T
US5118A US2648821A (en) 1948-01-29 1948-01-29 Var measuring device

Publications (1)

Publication Number Publication Date
CA503299A true CA503299A (en) 1954-05-25

Family

ID=75243197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA503299A Expired CA503299A (en) 1948-01-29 Var measuring devices

Country Status (2)

Country Link
US (1) US2648821A (en)
CA (1) CA503299A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497804A (en) * 1964-08-24 1970-02-24 Westinghouse Electric Corp Single element measuring device and transducer for measuring polyphase power
CA1302500C (en) * 1988-10-25 1992-06-02 National Research Council Of Canada Instrument to measure the errors of apparent power meters

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1399968A (en) * 1921-12-13 Electrical measuring- device
US1944656A (en) * 1934-01-23 Meter
US920652A (en) * 1908-02-21 1909-05-04 Forrest E Ricketts Testing apparatus.
GB111837A (en) * 1916-12-02 1918-01-31 Siemens Schuckertwerke Gmbh Improvements in or relating to Electrical Transformers and the like.
US1971207A (en) * 1928-06-27 1934-08-21 Gen Electric Current transformer
US1953519A (en) * 1930-10-17 1934-04-03 Bbc Brown Boveri & Cie Current transformer
US2068575A (en) * 1934-02-28 1937-01-19 Gen Electric Phase unbalance meter
US2121592A (en) * 1935-12-13 1938-06-21 Westinghouse Electric & Mfg Co Constant regulation transformer
US2243162A (en) * 1938-04-12 1941-05-27 Kelley Koett Mfg Company Inc Transformer compensated for precise measurements
US2358725A (en) * 1942-09-17 1944-09-19 Jefferson Electric Co High reactance transformer
US2454201A (en) * 1943-11-13 1948-11-16 Westinghouse Electric Corp Electrical measuring instrument
US2424596A (en) * 1943-12-13 1947-07-29 Sperry Gyroscope Co Inc Microwave wattmeter unit
US2495158A (en) * 1945-03-21 1950-01-17 Westinghouse Electric Corp Phase shifter

Also Published As

Publication number Publication date
US2648821A (en) 1953-08-11

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